Commodity Demand — NSW1: Thursday 3 September 2026
NSW spot price sits at $293.79/MWh as at 06:30 AEST, with demand at 7,673 MW — up sharply from the 4,550-6,000 MW trough recorded between 01:00 and 04:00 AEST overnight. The last five dispatch intervals show price accelerating well ahead of demand: between 06:00 and 06:30 demand rose only 5% (from 7,613 MW to 7,673 MW) while price jumped from $230.59/MWh to $293.79/MWh, a 27% move. This confirms NSW is now trading in a steep section of the supply curve where thin reserve margins are amplifying small demand shifts into large price responses.
The overnight pattern illustrates the inverse: demand fell from 7,429 MW at 20:30 (2 Sep) to a low near 4,550 MW at 02:45 AEST, and price collapsed in step, spending several hours in negative territory (-$5 to -$12/MWh) as minimum demand conditions took hold. From 05:00 AEST demand began climbing again, crossing 7,000 MW by 06:05 and 7,600 MW by 06:30, dragging price from near zero up through the $40s, $80s, and now into the $290s within roughly 90 minutes — a textbook morning ramp.
AEMO's forecast trajectory points to prices easing significantly through the day: $259.93/MWh forecast for 07:00 AEST, falling to single digits by 08:00-08:30, then a plateau in the $70-85/MWh range from 17:00 through midday as demand settles into its daytime pattern. A second, smaller evening peak is expected but forecast prices stay contained near $42-57/MWh into the evening block, well below this morning's spike. Today's operational demand outlook (max 22.2°C, moderate solar potential of 33.7%, light wind at 1.6%) suggests no extreme cooling or heating load, supporting the view that this morning's price spike is a short, sharp ramp event rather than a signal of sustained tightness.
On the generation side, black coal is carrying 5,221 MW of the mix with battery output at 522 MW and hydro at 778 MW supporting the ramp — wind and solar remain minor contributors overnight (274 MW and 7 MW respectively) given the pre-dawn timing, consistent with the renewable penetration share falling to 23% as carbon intensity climbs to 0.675 tCO2/MWh. No specific NSW demand-side notices are active this morning; the sole NSW-related market notice overnight was a non-conformance flag on unit WTAHB1 (47 MW, 16:40-16:50 on 3 September), unrelated to today's price action. Traders should watch the 07:00-08:00 AEST window closely given the forecast for prices to normalise rapidly — a repeat of yesterday's ramp dynamics could see volatility either side of AEMO's projections.